i have the same issue on my test system. I install a fresh spiceworks to my desktop, copy the backup files from the production system to my local install, start spiceworks. I tried to scan some custom ranges.

The system spawning the scan row and initializing the network search, but after that, they will abort the scan.

Does it have to do wih nmap? I get the following response from the support:

"Also, I did notice a bug with 6.0 that we will probably need to get fixed. I think that because you are running on a foreign language of Windows our new Nmap scanning is not cooperating with some of the output. It seems to be failing when running an ipconfig."

Starting Nmap 5.61-Spiceworks ( http://nmap.org ) at 2012-05-16 16:41 GMT Daylig
ht Time
Failed to resolve given hostname/IP: ûe. Note that you can't use '/mask' AND '1
-4,7,100-' style IP ranges. If the machine only has an IPv6 address, add the Nma
p -6 flag to scan that.
Failed to resolve given hostname/IP: eth0. Note that you can't use '/mask' AND
'1-4,7,100-' style IP ranges. If the machine only has an IPv6 address, add the N
map -6 flag to scan that.